package cn.edkuir.cart.vo;

import lombok.Data;
import org.springframework.util.CollectionUtils;

import java.math.BigDecimal;
import java.util.List;

/**
 * 整个购物车
 */
public class CartVo {

    private List<CartItem> items;

    private Integer countNum;   //商品数量

    private Integer countType;  //商品类型总量

    private BigDecimal totalAmount; //商品总价

    private BigDecimal reduce = new BigDecimal("0.00");  //减免价格


    public List<CartItem> getItems() {
        return items;
    }

    public void setItems(List<CartItem> items) {
        this.items = items;
    }

    public Integer getCountNum() {
        int count = 0;
        if(!CollectionUtils.isEmpty(items)) {
            for (CartItem item : items) {
                count += item.getCount();
            }
        }
        return count;
    }

    public Integer getCountType() {
        return items.size();
    }

    public BigDecimal getTotalAmount() {
        BigDecimal amount = new BigDecimal("0");
        if(!CollectionUtils.isEmpty(items)) {
            for (CartItem item : items) {
                if(item.getCheck()) {
                    amount = amount.add(item.getTotalPrice());
                }
            }
        }
        amount = amount.subtract(getReduce());
        return amount;
    }

    public BigDecimal getReduce() {
        return reduce;
    }

    public void setReduce(BigDecimal reduce) {
        this.reduce = reduce;
    }
}